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authorStephen Hemminger <shemminger@osdl.org>2006-06-05 17:30:32 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-06-17 21:29:31 -0700
commita42e9d6ce89cfd19aee9f990b7231ce697f0d00f (patch)
tree3afea026bdf3698fd81509925d8cf7d5f1e95fbd /net/Kconfig
parent72dc5b9225c53310c010b68a70ea97c8c8e24bdf (diff)
downloadlwn-a42e9d6ce89cfd19aee9f990b7231ce697f0d00f.tar.gz
lwn-a42e9d6ce89cfd19aee9f990b7231ce697f0d00f.zip
[TCP]: TCP Probe congestion window tracing
This adds a new module for tracking TCP state variables non-intrusively using kprobes. It has a simple /proc interface that outputs one line for each packet received. A sample usage is to collect congestion window and ssthresh over time graphs. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/Kconfig')
-rw-r--r--net/Kconfig15
1 files changed, 15 insertions, 0 deletions
diff --git a/net/Kconfig b/net/Kconfig
index 4193cdcd3ae7..ff0db804eed8 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -215,6 +215,21 @@ config NET_PKTGEN
To compile this code as a module, choose M here: the
module will be called pktgen.
+config NET_TCPPROBE
+ tristate "TCP connection probing"
+ depends on INET && EXPERIMENTAL && PROC_FS && KPROBES
+ ---help---
+ This module allows for capturing the changes to TCP connection
+ state in response to incoming patckets. It is used for debugging
+ TCP congestion avoidance modules. If you don't understand
+ what was just said, you don't need it: say N.
+
+ Documentation on how to use the packet generator can be found
+ at http://linux-net.osdl.org/index.php/TcpProbe
+
+ To compile this code as a module, choose M here: the
+ module will be called tcp_probe.
+
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